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Pär Bjälkebring receives funding from Swedish Research Council (VR; DNR-2016-00507). Ellen Peters receives funding from the U.S. National Science Foundation and USAFacts. Your grade school math ...
Black marker in hand, Nick Baar returned to the whiteboard. The newly minted math tutor wrote an equation for the eighth-graders in front of him: 25 x 199 The rules were simple: No calculators or ...
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